Home / 112,180.26-154,806.30-61,879.26

Finding the Fourth Proportional to 112,180.26, 154,806.30 and 61,879.26

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Solution

The fourth proportional to 112,180.26, 154,806.30 and 61,879.26 is: 85,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,180.26 : 154,806.30 = 61,879.26 : x
  2. Step 2: Convert to fraction form
    112,180.26/154,806.30 = 61,879.26/x
  3. Step 3: Cross multiply
    112,180.26x = 154,806.30 × 61,879.26
  4. Step 4: Simplify right side
    112,180.26x = 9,579,299,287.34
  5. Step 5: Solve for x
    x = 9,579,299,287.34/112,180.26
  6. Step 6: Final answer
    x = 85,392.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.